Imagine a Slushee composed of ammonia and water encased in a hard shell of water ice. Now picture these ice-encrusted ...

Slushy hailstones of ammonia and water were part of a bizarre theory to explain the planet's poorly mixed atmosphere. These mushballs seem to be real, say UC Berkeley scientists.

The weather forecast for Jupiter calls for clouds with a chance of lightning and "mushballs"—a slushy mix of ammonia and ...

A pair of planetary scientists at the University of California, working with a colleague from the California Institute of ...

Jovian storms can rework the whole chemical makeup of Jupiter's deep atmosphere by picking up ammonia from and dropping it ...

A massive solar windstorm in 2017 compressed Jupiter's magnetosphere "like a giant squash ball," a new study reports.

Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a ...

Jupiter’s skies can glow with lights more intense than anything on Earth. Its polar auroras shine when charged particles ...

Have you ever wondered why all the planets in our solar system– whether it’s rocky Earth or massive Jupiter– are round? It’s ...

Documentary filmmaker Jeremy Corbell spoke with NBC News' Gadi Schwartz about a new video of an unidentified tic tac object ...

NASA’s Lucy mission is about to fly past asteroid Donaldjohanson, a strange, elongated rock in the main belt. While this ...

"On Earth, you have a surface—and rain ... composition of the cloud tops can differ from deeper in the planet. A cross section of Jupiter's atmosphere from the researchers' new model, showing ...